SBI PO 21 June 2015 Paper

No layer is a coat
All coats are deposits.
E + A ⇒ O1 - type of Conclusion
“Some deposits are not layers”
‘All deposits can never be layers” implies the Conclusion derivedabove. Therefore, Conclusion II follows.
All coats are deposits. All deposits are sheets.
A + A ⇒ A - type of Conclusion
“All coats are sheets”.
This is Conclusion I.